Last Updated:2025/12/06
Sentence

ゼミでは、トーラスの作用を持つ正規代数多様体がトーラス不変なアフィンな開被覆で被われるとする定理と、それが分類問題でどのように用いられるかを検討しました。

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During the seminar, we explored Sumihiro's theorem and how it allows a normal algebraic variety with a torus action to be covered by torus-invariant affine open subsets.

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During the seminar, we explored Sumihiro's theorem and how it allows a normal algebraic variety with a torus action to be covered by torus-invariant affine open subsets.

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Related words

Sumihiro's theorem

Proper noun
Japanese Meaning
代数幾何学の定理。正規な代数多様体にトーラスの作用がある場合、その多様体はトーラス不変なアフィン開部分集合によって被覆できる。
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ゼミでは、トーラスの作用を持つ正規代数多様体がトーラス不変なアフィンな開被覆で被われるとする定理と、それが分類問題でどのように用いられるかを検討しました。

English - English

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